éruption cutanées, papules Flashcards

1
Q

Rash le plus fréquent des nné?

A

erythema toxicum

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2
Q

erythema toxicum?

A

noninfectious
benigh papular rash that can evolve into vesicles
clustered lesions, often developing within days of birth bt up to few weeks of age *ressemble à de l’acné
self-limited; resolution within a week
recurrences may occur

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3
Q

Dx?
Papules and pustules on erythematous base usually around nose
‘‘prickly heat rash’’
secondary to eccrine sweat duct obstruction
onset after first week of life, predilection for areas with high heat production

A

Miliaria
(pas milia!)
*genre de milia érythèmateux

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4
Q

Dx?
benign blue-purple large, usually patchy skin macules
common in asian, africain
sites: buttocks, legs, spine, anywhere else!
att: injury?!
spontaneous resolution in 1 yr or more

A

Congenital dermal melanocytose (Mongolian blue spot)
**Simon le chinois en avant +++ dans la zone de la couche!
genre de tache de naissance

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5
Q
Dx?
small pink-tan (couleur chaire), dome-shaped papules
with dimpled or umbilicated center
curd-like material
asx ou avec dermatite atopique ou prurit

régression spontanée en 2 ans ou méthodes destructives (curettage, cryotx, peeling, retinoid topique, cantharidin)

si persiste et/ou diffus: r/o immunodéficience acquise ou congénitale

possible complications: surinfection bactérienne –> ATB

A

Molluscum contagiosum (poxvirus)

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6
Q

Conduite pour hémangiome a/n yeux, narines, oropharynx, méat auditif externe, foie, rate?

A

écho
r/o néo vs malformation vasc
visualisation de la profondeur

si hémangiome sans néo rx =
BB (nadolol, propranolol)
cortico
ablation par laser
interferon
embolisation
excision chx
*selon nb, localisation, profondeur
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7
Q

Dx?
group of heterogenous mechanobullous dz characterized by develpment of blisters after trauma to skin

types:
simplex
dystrophic
junctional

conduite?

A

Epidermolysis bullosa

éducation
tx sx
cosmétique
att infection

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8
Q
dx?
prodrome: mild fever
rash: generalized, polymorphous, pruritic, vasicular (dew drop on a rose petal)
abrupt onset
healing: variant stages

conduite?

A

Varicella Zoster virus
chicken pox

tx de support
selon statut vaccin et immunité: vaccin, acyclovir

att transmission par la mère à l’accouchement

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9
Q

dx?
Red-colored macules, vesicular lesions on buccal mucosa, palate, tongue, hands and feet (palms and soles)
prodrome viral

conduite?

A

Pied-main-bouche
virus coxsackie A16

tx de support
hydradation
mouthwash avec lidocaine

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10
Q
dx?
fièvre
toux
coryza
conjonctivite
rash maculopapulaire diffus débutant au visage, s'étend en caudal
enanthème: Koplik spot

tx?

A

Rougeole (morbillivirus)
*3C: cough, coryza, conjonctivite
koplik = pathognomonique

MADO
tx support
vit A supp
post: vaccin, immunoglobuline

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11
Q

Dx?
prodrome fièvre, malaise x7 jours avant rash
rash: slapped cheek, circumoral pallor
rash: maculopapulaire, lace-like, pruritic, tronc allant en périph
aussi: polyarthropathie, anémie (si immunocompromis…ad anémie hémolytique)
*hydrops foetalis si 1er trismestre

tx?

A

Érythème infectieux, 5e maladie
parvovirus B19

tx de support

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12
Q

dx?
infection primaire asx
gingivostomatitis: fever, irritability, tender ADNP, ulcerative enanthem orpharynx ant
éruption: genitals aussi

tx?

A

herpes simplex: HSV 1&2

tx empirique avec acyclovir (si en attente de culture et PCR…)

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13
Q

dx?
high fever
puis 3-5 jours plus tard: rash maculopapulaire généralisé s’étendant du tromc aux extrémités, épargnant le visage

tx?

A

Roséole
‘‘baby measles’’
HHV6

tx: support

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14
Q

dx?
peut être: capitus, corporis, pedis, faciei, cruris

tx?

A

Tinea

tx
sauf capitus:
agent topique BID (antifongique) +
terbanifine, ciclopirox, clortimazole ou ketoconazole x4 semaines

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15
Q
dx?
disffuse scaling
circumscribed alopecia with scale
black dots (brocken hair)
kerion (boggy mass)
pustular

tx?

A

tinea capitus

terbinatfine x 4 sem

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